420714 has 60 divisors (see below), whose sum is σ = 1117314. Its totient is φ = 117936.

The previous prime is 420691. The next prime is 420731. The reversal of 420714 is 417024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 321489 + 99225 = 567^2 + 315^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420714.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7912 + ... + 7964.

2⁴²⁰⁷¹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558657).

420714 is an abundant number, since it is smaller than the sum of its proper divisors (696600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420714 is a wasteful number, since it uses less digits than its factorization.

420714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 420714 is about 648.6246988822. The cubic root of 420714 is about 74.9311367908.

Adding to 420714 its reverse (417024), we get a palindrome (837738).

The spelling of 420714 in words is "four hundred twenty thousand, seven hundred fourteen", and thus it is an iban number.